To check the authenticity of a certificate issued by BSTQB, use the search function below.
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If you have correctly entered your certificate number (full), or your name (full or partial) and no information has been submitted, or if you have any questions about the information submitted, please contact the Examinations Directory (exame@bstqb.org.br).


| Name | ID | Level | Certification | Date |
|---|---|---|---|---|
| Guilherme Harnisch Neuhaus | 20-CTFL-XXXXX-BR | CTFL | Foundation Level | 2020-11-27 |
| Guilherme Henrique Caldeiras de Souza | 23-CTFL-XXXXX-BR | CTFL | Certified Tester Foundation Level | 10/02/2023 |
| Guilherme Henrique Costa Santos | 17-CTFL-XXXXX-BR | CTFL | Foundation Level | 2017-11-10 |
| Guilherme Henrique de Andrade Araújo | 22-CTFL-XXXXX-BR | CTFL | Foundation Level | 2022-02-11 |
| Guilherme Henrique Ribeiro de Souza | 22-CTFL-XXXXX-BR | CTFL | Certified Tester Foundation Level | 02/12/2022 |
| Guilherme Henrique Schmidt Staffen | 23-CT-TAE-XXXXX-BR | CT-TAE | Certified Tester Advanced Level, Test Automation Engineer | 14/04/2023 |
| Guilherme Henrique Schmidt Staffen | 21-CTFL-XXXXX-BR | CTFL | Foundation Level | 2021-08-13 |
| Guilherme Henrique Schmidt Staffen | 22-CTFL-AT-XXXXX-BR | CTFL-AT | Agile Tester | 2022-06-10 |
| Guilherme Henrique Schmidt Staffen | 25-CT-TAS-XXXXX-BR | CT-TAS | Certified Tester, Test Automation Strategy | 2025-11-10 |
| Guilherme Heuser Prestes | 09-CTFL-XXXXX-BR | CTFL | Foundation Level | 2009-07-17 |
The information presented as a result of a search does not replace the presentation of the certificate as proof of certification.